'You're much better looking on film!': James Norton reveals his family keep his ego in check... as it's claimed he's 'dating his War And Peace co-star Jessie Buckley'

He's earned a legion of female fans thanks to his dashing appearances in the likes of War And Peace and Grantchester.

But James Norton's family are ensuring all the attention doesn't go to his head, keeping the handsome star in check as his profile continues to soar.

The 30-year-old actor revealed that during a recent gathering for his grandfather's 90th birthday, his great-aunt brought him back down to earth with a bump by telling him he's only good looking on TV.

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Harsh words: TV hunk James Norton, pictured at the BRIT Awards on Wednesday night, has confessed his great-aunt recently told him he doesn't look as good in real life

Rumoured romance: James was reportedly seen looking cosy with his War And Peace co-star Jessie Buckley at the BRIT Awards this week

James joked to the Gloucestershire Echo: 'She goes, "I don't get it. You're much better looking on film than you are in real life". I'm just lucky the camera's kind.'

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The Cambridge University graduate remains modest about his newfound success, saying he finds his sex symbol status 'weird but flattering'.

And James' good looks are alleged to have caught the eye of one lucky lady in particular; his War And Peace co-star Jessie Buckley.

Modest: The 30-year-old actor, pictured in ITV drama Grantchester, isn't letting his newfound fame go to his head

Charming: James' star turn in War And Peace opposite Lily James earned him a new legion of fans, although he admits he finds his sex symbol status 'weird'

The pair - who played siblings Princess Marya and Prince Andrei Bolkonsky on the popular BBC One adaptation of Tolstoy's classic novel - reportedly hit it off during filming and attended the BRIT Awards together on Wednesday night.

According to the Mirror, the pair looked very much like an item at the Warner Music after-party, despite Jessie saying they were 'just good friends'.

A source told the paper: 'They spent the whole night together and were chatting and laughing loads. At one point Jessie planted a kiss on James.'

Just last week, the actor said he was single, telling The Telegraph: 'My love life right now is infinitely less interesting than that of any of my characters'.

MailOnline has contacted James' representative for comment.

James is best known for his role as crime-solving vicar Sidney in Grantchester and for playing psychopath Tommy in Happy Valley, as well as his charming turn in the epic Russian tale.

Hitting it off: Jessie and James - who played siblings Princess Marya and Prince Andrei Bolkonsky - were allegedly seen 'kissing' at an after-party